refactor: ♻️ Singleton Pattern Database Connection

src/feature/post.rs

@@ -1,6 +1,5 @@
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
-use sqlx::{Pool, Postgres};
 
 use crate::database::post;
 
@@ -12,45 +11,31 @@ pub struct Post {
 }
 
 impl Post {
-    pub async fn create(
-        user_id: &i64,
-        post: &String,
-        database_connection: &Pool<Postgres>,
-    ) -> Result<Post, sqlx::Error> {
-        post::create(user_id, post, database_connection).await
+    pub async fn create(user_id: &i64, post: &String) -> Result<Post, sqlx::Error> {
+        post::create(user_id, post).await
     }
 
-    pub async fn read(
-        creation_time: &DateTime<Utc>,
-        database_connection: &Pool<Postgres>,
-    ) -> Result<Post, sqlx::Error> {
-        post::read(creation_time, database_connection).await
+    pub async fn read(creation_time: &DateTime<Utc>) -> Result<Post, sqlx::Error> {
+        post::read(creation_time).await
     }
 
     pub async fn update(
         creation_time: &DateTime<Utc>,
         user_id: &i64,
         post: &String,
-        database_connection: &Pool<Postgres>,
     ) -> Result<Post, sqlx::Error> {
-        post::update(creation_time, user_id, post, database_connection).await
+        post::update(creation_time, user_id, post).await
     }
 
-    pub async fn delete(
-        creation_time: &DateTime<Utc>,
-        database_connection: &Pool<Postgres>,
-    ) -> Result<Post, sqlx::Error> {
-        post::delete(creation_time, database_connection).await
+    pub async fn delete(creation_time: &DateTime<Utc>) -> Result<Post, sqlx::Error> {
+        post::delete(creation_time).await
     }
 
-    pub async fn read_all(database_connection: &Pool<Postgres>) -> Result<Vec<Post>, sqlx::Error> {
-        post::read_all(database_connection).await
+    pub async fn read_all() -> Result<Vec<Post>, sqlx::Error> {
+        post::read_all().await
     }
 
-    pub async fn read_all_for_user(
-        user_id: &i64,
-        database_connection: &Pool<Postgres>,
-    ) -> Result<Vec<Post>, sqlx::Error> {
-        post::read_all_for_user(user_id, database_connection).await
+    pub async fn read_all_for_user(user_id: &i64) -> Result<Vec<Post>, sqlx::Error> {
+        post::read_all_for_user(user_id).await
     }
 }